2115968

Information

• Patent Grant
• 2115968

• References
• Source

• Patent Number

  2,115,968

• Date Filed

  Not available

• Date Issued

  Tuesday, May 3, 1938
  87 years ago

• CPC

  • E05F3/22 - Additional arrangements for closers
  • E05F3/14 - with fluid brakes of the rotary type
  • E05Y2201/21 - Brakes
  • E05Y2201/254 - Fluid or viscous friction
  • E05Y2201/266 - rotary
  • E05Y2800/174 - on the left or right side
  • E05Y2900/132 - Doors
  • Y10T16/2766 - Concentric spring chamber

• US Classifications

  • 016 - Miscellaneous hardware